Split rows into groups, apply a function, and combine the results.
Below are the 96 Bamboo Weekly exercises that use groupby on real-world data — try each one, then study the worked solution.
- Bamboo Weekly #173: IPOs
- Bamboo Weekly #172: World Cup
- Bamboo Weekly #166: Income tax
- Bamboo Weekly #164: Fertilizer
- Bamboo Weekly #163: Daylight saving time
- Bamboo Weekly #162: Spotify and car accidents
- Bamboo Weekly #159: State of the Union
- Bamboo Weekly #158: University endowments
- Bamboo Weekly #157: Government corruption
- Bamboo Weekly #156: Winter Olympics
- Bamboo Weekly #155: Gold
- Bamboo Weekly #154: University rankings
- Bamboo Weekly #152: Congestion pricing
- Bamboo Weekly #151: PyPI in 2025
- Bamboo Weekly #150: Kalshi
- Bamboo Weekly #147: Presidential pardons
- Bamboo Weekly #146: Thanksgiving travel
- Bamboo Weekly #144: Museum Heists
- Bamboo Weekly #142: Hurricanes
- Bamboo Weekly #140: Stack Overflow survey
- Bamboo Weekly #138: Federal workers
- Bamboo Weekly #137: UN Security Council
- Bamboo Weekly #136: Indian vehicles
- Bamboo Weekly #135: Airline seats
- Bamboo Weekly #134: Taiwan weather
- Bamboo Weekly #129: Tom Lehrer
- Bamboo Weekly #125: Shrinking dollars
- Bamboo Weekly #123: Missiles
- Bamboo Weekly #121: Research funding
- Bamboo Weekly #119: Python conferences
- Bamboo Weekly #118: Flight delays
- Bamboo Weekly #117: Electricity
- Bamboo Weekly #113: US airport traffic
- Bamboo Weekly #112: Programming jobs
- Bamboo Weekly #111: State taxes
- Bamboo Weekly #106: Flu season
- Bamboo Weekly #103: CDC data
- Bamboo Weekly #102: WordPress
- Bamboo Weekly #100: Sports betting
- Bamboo Weekly #99: Literacy and numeracy
- Bamboo Weekly #97: Drones
- Bamboo Weekly #95: Tariffs
- Bamboo Weekly #92: Climate disaster costs
- Bamboo Weekly #90: Voter participation
- Bamboo Weekly #88: Hot summers
- Bamboo Weekly #87: Nuclear power
- Bamboo Weekly #86: FEMA
- Bamboo Weekly #81: School
- Bamboo Weekly #79: Cyber attacks
- Bamboo Weekly #77: Paris Olympics
- Bamboo Weekly #73: Avocado hand
- Bamboo Weekly #72: City travel
- Bamboo Weekly #71: Holidays
- Bamboo Weekly #70: Moon missions
- Bamboo Weekly #69: Election participation
- Bamboo Weekly #67: Electric cars
- Bamboo Weekly #65: Microplastics
- Bamboo Weekly #64: Coal power
- Bamboo Weekly #63: Ukraine aid
- Bamboo Weekly #62: Economic report card
- Bamboo Weekly #61: Solar eclipse
- Bamboo Weekly #59: Long covid
- Bamboo Weekly #57: International arms trade
- Bamboo Weekly #56: Rent increases
- Bamboo Weekly #55: IVF
- Bamboo Weekly #54: Household debt
- Bamboo Weekly #52: Border encounters
- Bamboo Weekly #51: Academy Awards
- Bamboo Weekly #49: Campaign finance
- Bamboo Weekly #48: Aviation accidents
- Bamboo Weekly #46: Pedestrians
- Bamboo Weekly #45: Netflix
- Bamboo Weekly #41: Wine production
- Bamboo Weekly #40: Sovereign Bonds
- Bamboo Weekly #36: Nobel Prize
- Bamboo Weekly #35: Terrorism
- Bamboo Weekly #34: House of Representatives
- Bamboo Weekly #33: Fracking
- Bamboo Weekly #31: Poverty
- Bamboo Weekly #30: Uncertainty
- Bamboo Weekly #29: Auto accidents
- Bamboo Weekly #26: Hot weather
- Bamboo Weekly #25: Entrepreneurship
- Bamboo Weekly #24: Wildfire smoke
- Bamboo Weekly #16: Consumer oil prices
- Bamboo Weekly #15: Eurovision
- Bamboo Weekly #14: JOLTS
- Bamboo Weekly #12: Tourism
- Bamboo Weekly #10: Oil prices
- Bamboo Weekly #9: US house prices
- Bamboo Weekly #8: Happiness
- Bamboo Weekly #7: Bank failures
- Bamboo Weekly #5: Ukrainian exports
- Bamboo Weekly #4: Eating well
- Bamboo Weekly #2: Egg prices
- Bamboo Weekly #1: Government corruption
Part of the Pandas Methods Index. See also practice by skill.